Has the decoupler pulley failed on that alternato r（解耦滑轮alternato r上失败）.pdfVIP

Alternator Decoupler Pulley Has the decoupler pulley failed on that alternator? Many newer vehicles use an Alternator Decoupler Pulley instead of a solid pulley. Although an ADP looks similar, it operates differently than a solid pulley. A DP app ications ist on back. IDENTIFY ING A N A DP COMMON A DP FA ILURES If you hear a buzzing Holding the alternator If the pulley will not 4 noise immediately 4 still the pulley should 4 spin freely at all, the following engine shutdown, spin freely in one direction internal spring has locked up. hexagonal socket the bearings in the ADP have and engage the alternator If this occurs you will experience failed, and the ADP will have shaft in the other. If it spins increased tensioner movement to be replaced. in both directions the clutch or belt span vibration when the assembly has failed and the engine is operating. If this occurs ADP must be replaced. you must replace the ADP. GATES ALWAYS RECOMMENDS REPLACING THE BELT AND TENSIONER WITH EV ERY A DP REPLACEMENT. REPLACING A N A DP An ADP has a flange that protrudes in 4 In most cases, a special 4 Remove the plastic 4 ADPs are NOT inter- front of the belt grooves. The end